Floor Register 1550-4X28 Commercial Standard Features * 1/2" spaced

Standard Features * 1/2" spaced vision-proof dual angular louvers for strength and maximum free area * Margin edges are 7/8" projection for baseboard installation * Soft White with color matching screws Options * 1133 - 1/3" spaced dual angular louvers * 1175 - added mullion stiffeners for greater strength * Standard Color

Holds up to a 1" filter (not included) with filter retention tabs (FG1)

Field installable bowtie damper with round ring

12 & 14" * Mill finish

T-Bar Modular Core Diffuser with Round Collar 18-20

Floor Register 1550-4X28 Commercial Standard Features * 1/2" spacedStandard Features Fixed bars with 0 deflection Heavy duty steel honeycomb construction Flush core and frame provides smooth surface Free area equals more than 75% of nominal size Blades run parallel to longest dimension Recessed screwdriver operated opposed blade damper to control air volume for positive balance of system Rust resistant pre coat with durable powder finish Driftwood Tan Options Reinforced welded core and extra supports for heavy duty